these 3 derivations will be built:
  /nix/store/gpm9v9z2rjxx5fj5mwq3ba7bbyp6jy3n-vendor-cargo-deps.drv
  /nix/store/q77m8j0vir1hp3n8ylw13pykj7aj4m4k-harmonia-deps-3.2.0.drv
  /nix/store/5yhzfj6rg5ricr417cngz8bak16q3dkw-harmonia-3.2.0.drv